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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Ann Rheum Dis. 2013 Apr 20;73(6):1091–1095. doi: 10.1136/annrheumdis-2013-203343

Figure 1. Hazard ratios and 95% confidence intervals for a hospitalization for atrial fibrillation.

Figure 1

RA: rheumatoid arthritis, OA: osteoarthritis

Model 1 is adjusted for age and sex. Model 2 is adjusted for age, sex, and cardiovascular disease. Model 3 is adjusted for age, sex, combined comorbidity score and a number of prescription drugs